In air a light source emits a wavelength of 630 nm. Under water the wavelength of this light will be
a. 630 nm.
b. less than 630 nm.
c. more than 630 nm.
d. unpredictable.
b
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Matter Waves: If the wavelength of a photon in vacuum is the same as the de Broglie wavelength of an electron, which one is traveling faster through space?
A. The electron because it has more mass. B. The photon because photons always travel through space faster than electrons. C. They both have the same speed.
If the angular frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum acceleration of the oscillator change?
A) 2 B) 4 C) It does not change. D) 1/2 E) 1/4
An electron is bound in an infinite well (a box) of width 0.10 nm. If the electron is initially in the n = 8 state and falls to the n = 7 state, find the wavelength of the emitted photon
(c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg)
The large envelope of comets that encircle the Sun beyond the outer planets is called the ________ cloud.
Fill in the blank(s) with the appropriate word(s).